solid STL generated by MeshLab
  facet normal  0.000000e+00 -0.000000e+00 -1.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  0.000000e+00
      vertex   2.000000e+01  0.000000e+00  0.000000e+00
      vertex   0.000000e+00  0.000000e+00  0.000000e+00
    endloop
  endfacet
  facet normal -0.000000e+00  0.000000e+00 -1.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  0.000000e+00
      vertex   0.000000e+00  0.000000e+00  0.000000e+00
      vertex   0.000000e+00  2.000000e+01  0.000000e+00
    endloop
  endfacet
  facet normal  0.000000e+00  0.000000e+00  1.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  2.000000e+01
      vertex   0.000000e+00  2.000000e+01  2.000000e+01
      vertex   0.000000e+00  0.000000e+00  2.000000e+01
    endloop
  endfacet
  facet normal  0.000000e+00  0.000000e+00  1.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  2.000000e+01
      vertex   0.000000e+00  0.000000e+00  2.000000e+01
      vertex   2.000000e+01  0.000000e+00  2.000000e+01
    endloop
  endfacet
  facet normal  1.000000e+00  0.000000e+00 -0.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  0.000000e+00
      vertex   2.000000e+01  2.000000e+01  2.000000e+01
      vertex   2.000000e+01  0.000000e+00  2.000000e+01
    endloop
  endfacet
  facet normal  1.000000e+00  0.000000e+00  0.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  0.000000e+00
      vertex   2.000000e+01  0.000000e+00  2.000000e+01
      vertex   2.000000e+01  0.000000e+00  0.000000e+00
    endloop
  endfacet
  facet normal  0.000000e+00 -1.000000e+00  0.000000e+00
    outer loop
      vertex   2.000000e+01  0.000000e+00  0.000000e+00
      vertex   2.000000e+01  0.000000e+00  2.000000e+01
      vertex   0.000000e+00  0.000000e+00  2.000000e+01
    endloop
  endfacet
  facet normal  0.000000e+00 -1.000000e+00  0.000000e+00
    outer loop
      vertex   2.000000e+01  0.000000e+00  0.000000e+00
      vertex   0.000000e+00  0.000000e+00  2.000000e+01
      vertex   0.000000e+00  0.000000e+00  0.000000e+00
    endloop
  endfacet
  facet normal +inf  -inf  weirdvalue
    outer loop
      vertex   0.000000e+00  0.000000e+00  0.000000e+00
      vertex   0.000000e+00  0.000000e+00  2.000000e+01
      vertex   0.000000e+00  2.000000e+01  2.000000e+01
    endloop
  endfacet
  facet normal -1.000000e+00  0.000000e+00  0.000000e+00
    outer loop
      vertex   0.000000e+00  0.000000e+00  0.000000e+00
      vertex   0.000000e+00  2.000000e+01  2.000000e+01
      vertex   0.000000e+00  2.000000e+01  0.000000e+00
    endloop
  endfacet blah
  facet normal  0.000000e+00  1.000000e+00  0.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  2.000000e+01
      vertex   2.000000e+01  2.000000e+01  0.000000e+00
      vertex   0.000000e+00  2.000000e+01  0.000000e+00
    endloop foo
  endfacet bar 
  facet normal  0.000000e+00  1.000000e+00  0.000000e+00
    outer loop
      vertex   2.000000e+01  2.000000e+01  2.000000e+01
      vertex   0.000000e+00  2.000000e+01  0.000000e+00
      vertex   0.000000e+00  2.000000e+01  2.000000e+01
    endloop foo 
  endfacet bar
endsolid some blah blah
